Flash Tutorials: Learn how to edit the drop shadow filter parameter settings.

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Create Multiple Filters with ActionScript

 

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Step Seven: Drop Shadow Filter Parameter Settings

In this section detailed information is given on each of the Drop Shadow Filter parameters. This will enable you to set the Filter parameter's correctly. The parameters are set with this section of code:

(5,65,0xff3333,0.8,5,10,2,3,false,true,false)

Here is what the parameters set:

Distance, Angle, Color, Alpha, Blur X, Blur Y, Strength, Quality, Inner Shadow, Knockout & Hide Object.

Each of these parameters has a default setting and if you are not familiar with the Filter it is often best to start with the default and then edit:

Example: Download both the Flash files Draw 214a & 214b



My Settings


Draw 214a


Default Settings


Draw 214b

Here are my parameter setting compared to the default setting:

Parameter
  My Setting   Default

Distance:
 

5

  4
Angle:
  65   45
Color:
  0xff3333   0x000000
Alpha:
  0.8   1
Blur X:
  5   4
Blur Y:
  10   4
Strength:
  2   1
Quality
  3   1
Inner
  false   false
Knockout
  true   false
Hide Object
  false   false

 

Distance: Any number - Default = 4
Number The offset distance of the filter. Valid values are in pixels. The default value is 4.

Angle: 0 to 360 degrees - Default = 45
The angle of the shadow. Valid values are 0 to 360˚. The default value is 45. The angle value represents the angle of the theoretical light source falling on the object and determines the placement of the effect relative to the object. If distance is set to 0, the effect is not offset from the object, and therefore the angle property has no effect.

Color: 0x000000 to 0xffffff - Default: 0x000000
The color of the shadow. Valid values are in hexadecimal format 0xRRGGBB. The default value is 0x000000.
Sets the color of the filter. In many programs color is written as a hexadecimal number. If you are not familiar with hexadecimal numbers they can be a bit tricky but in ActionScript they are always prefixed with Zero Ex and followed by six digits or letters: A Hexadecimal number as written in ActionScript: 0xff00ff

Note: For more info on setting the color see the Tip below.

Alpha: 0 to 1 - Default = 1
The transparency value of the shadow color. Valid values are 0 to 1. For example, .25 sets a transparency value of 25%. The default value is 1.

Blur X: 0 to 255 - Default = 4
The amount of horizontal blur in pixels. Valid values are from 0 to 255. The default value is 4. Values that are a power of 2 (such as 2, 4, 8, 16, and 32) are optimized to render more quickly than other values.

Blur Y: 0 to 255 - Default = 4
The amount of vertical blur in pixels. Valid values are from 0 to 255. The default value is 4. Values that are a power of 2 (such as 2, 4, 8, 16, and 32) are optimized to render more quickly than other values.

Strength: 0 to 255 - Default: 1
The strength of the imprint or spread. Valid values are from 0 to 255. The larger the value, the more color is imprinted and the stronger the contrast between the shadow and the background. The default value is 1.

Quality: 0 to 15 - Default: 1
The number of times to apply the filter. Valid values are 0 to 15. The default value is 1, which is equivalent to low quality. A value of 2 is medium quality, and a value of 3 is high quality. Filters with lower values are rendered more quickly. For most applications, a quality value of 1, 2, or 3 is sufficient. Although you can use additional numeric values up to 15 to achieve different effects, higher values are rendered more slowly. Instead of increasing the value of quality, you can often get a similar effect, and with faster rendering, by simply increasing the values of blurX and blurY.

Inner: false
Indicates whether or not the shadow is an inner shadow. The value true indicates an inner shadow. The default is false, an outer shadow (a shadow around the outer edges of the object).

Knockout: false
Applies a knockout effect (true), which effectively makes the object's fill transparent and reveals the background color of the document. The default is false (no knockout).

Hide Object: false
Indicates whether or not the object is hidden. The value true indicates that the object itself is not drawn; only the shadow is visible. The default is false (show the object).

Tip: To find the colour code you want look at the color pallet in the Flash tool box:


The hexadecimal code is displayed at the top of the pallet.

Note: Do not write the number as displayed in the color pallet. You need to remove the # and replace it with Zero Ex: 0xff00ff

Case Sensitive: The Ex is case sensitive: 0Xff00ff will result in an error message. For this reason use lower case for the x. Correct syntax: 0xff00ff or 0xFF00FF

 

Quick Links:    
Bevel Filter:
Info on Parameters Full Tutorial
Blur Filter:
Info on Parameters Full Tutorial

Drop Shadow Filter:

Info on Parameters Full Tutorial
Glow Filter:
Info on Parameters Full Tutorial
Gradient Bevel Filter:
Info on Parameters Full Tutorial
Gradient Glow Filter:
Info on Parameters Full Tutorial
Color Matrix Filter:
Info on Parameters Full Tutorial

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